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25 lines
708 B
SQL
25 lines
708 B
SQL
-- check ALTER MODIFY COLUMN with partitions
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SET send_logs_level = 'none';
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DROP TABLE IF EXISTS alter_column;
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CREATE TABLE alter_column(x UInt32, y Int32) ENGINE MergeTree PARTITION BY x ORDER BY x;
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INSERT INTO alter_column (x, y) SELECT number AS x, -number AS y FROM system.numbers LIMIT 50;
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SELECT '*** Check SHOW CREATE TABLE ***';
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SHOW CREATE TABLE alter_column;
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SELECT '*** Check parts ***';
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SELECT * FROM alter_column ORDER BY _part;
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ALTER TABLE alter_column MODIFY COLUMN y Int64;
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SELECT '*** Check SHOW CREATE TABLE after ALTER MODIFY ***';
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SHOW CREATE TABLE alter_column;
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SELECT '*** Check parts after ALTER MODIFY ***';
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SELECT * FROM alter_column ORDER BY _part;
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DROP TABLE alter_column;
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